This high-quality Center Diff Case Set is manufactured from specially selected materials to ensure maximum performance in all conditions.Features:Precision manufactured parts for smooth and consistent operation - Center diff case constructed from high-quality aluminum for light weight and optimum heat dissipation – Center diff gear constructed from steel for strength and durability - Red anodized diff case adds wear resistance and awesome ARRMA looksIncludes:1 x Center Diff Gear 53T Mod 1 1 x Center Diff Case